Answer :

#include<stdio.h>

int main ()

{

int num,num1,num2=0,num3,digit;

printf("Enter the number you want to convert in words : ");

scanf("%d",&num);

printf("The number in the words are : ");

while (num!=0)

{

num1=num%10;

num2=num2*10+num1;

num=num/10;

}

num3=num2;

while (num3!=0)

{

digit=num3%10;

switch (digit)

{

case 0 :

printf("Zero ");

break;

case 1 :

printf("One ");

break;

case 2 :

printf("Two ");

break;

case 3 :

printf("Three ");

break;

case 4 :

printf("Four ");

break;

case 5 :

printf("Five ");

break;

case 6 :

printf("Six ");

break;

case 7 :

printf("Seven ");

break;

case 8 :

printf("Eight ");

break;

case 9 :

printf("Nine ");

break;

}

num3=num3/10;

}

}

Output :